User`s guide

Web Site Security
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890 USE 152 00 Version 2.0
External Security
Overview If your network is configured to allow users to view your site over the Internet, you
have the same security concerns as for an intranet, but you have an extra
mechanism to deal with them: a firewall.
Firewall
Architecture
A firewall is a gateway from the Internet to your Embedded Server, as depicted
below. You can use a firewall to restrict or deny access to your Web site.
Types of
Firewalls
There are two types of firewalls:
l Network-level firewalls
l Application-level firewalls
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Firewall
Internet
Intranet
Embedded
Server
in PLC
Configuration
Software
on PC
Browser
on
PC
PL7
Database
Browser
on
PC
Concept*
Database